Home / 30,304.08-45,461.02-8,958.96

Finding the Fourth Proportional to 30,304.08, 45,461.02 and 8,958.96

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Solution

The fourth proportional to 30,304.08, 45,461.02 and 8,958.96 is: 13,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304.08 : 45,461.02 = 8,958.96 : x
  2. Step 2: Convert to fraction form
    30,304.08/45,461.02 = 8,958.96/x
  3. Step 3: Cross multiply
    30,304.08x = 45,461.02 × 8,958.96
  4. Step 4: Simplify right side
    30,304.08x = 407,283,459.74
  5. Step 5: Solve for x
    x = 407,283,459.74/30,304.08
  6. Step 6: Final answer
    x = 13,439.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.